51001283 has 2 divisors, whose sum is σ = 51001284. Its totient is φ = 51001282.

The previous prime is 51001273. The next prime is 51001289. The reversal of 51001283 is 38210015.

51001283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51001283 - 2²⁴ = 34224067 is a prime.

It is a super-2 number, since 2×51001283² = 5202261735292178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51001289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500641 + 25500642.

It is an arithmetic number, because the mean of its divisors is an integer number (25500642).

Almost surely, 2^51001283 is an apocalyptic number.

51001283 is a deficient number, since it is larger than the sum of its proper divisors (1).

51001283 is an equidigital number, since it uses as much as digits as its factorization.

51001283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51001283 is about 7141.5182559453. The cubic root of 51001283 is about 370.8460866492.

Adding to 51001283 its reverse (38210015), we get a palindrome (89211298).

The spelling of 51001283 in words is "fifty-one million, one thousand, two hundred eighty-three".